condition mean min max ZT0-3 0.0160259 0.0160259 0.0160259 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.1051294 0.1051294 0.1051294 ZT16-19 0.0163069 0.0163069 0.0163069 ZT20-23 0.0 0.0 0.0